Home / 5,420,945.44-8,130,545.69-1,581,866.50

Finding the Fourth Proportional to 5,420,945.44, 8,130,545.69 and 1,581,866.50

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Solution

The fourth proportional to 5,420,945.44, 8,130,545.69 and 1,581,866.50 is: 2,372,545.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,945.44 : 8,130,545.69 = 1,581,866.50 : x
  2. Step 2: Convert to fraction form
    5,420,945.44/8,130,545.69 = 1,581,866.50/x
  3. Step 3: Cross multiply
    5,420,945.44x = 8,130,545.69 × 1,581,866.50
  4. Step 4: Simplify right side
    5,420,945.44x = 12,861,437,853,730.38
  5. Step 5: Solve for x
    x = 12,861,437,853,730.38/5,420,945.44
  6. Step 6: Final answer
    x = 2,372,545.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.